SciShow
The Sexually Transmitted ... Sandwich?
When you're enjoying an intimate moment with that special someone, the peanut butter and jelly sandwich you ate for lunch is probably the last thing on your mind. But sexually transmitted allergens are a thing, and nut allergies aren't...
SciShow
How Dogs Can Smell When You're Stressed
Did you know that dogs can tell when you're stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)
SciShow
The Secrets Hidden in Your Tears, Earwax, and Other Secretions
Our various secretions - from tears to earwax - can tell us more about our bodies than you might think!
SciShow
Why Does Your Breath Stink in the Morning?
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don’t talk to you until after you brush your teeth. ----------
SciShow
The Secrets Hidden in Your Tears, Earwax, and Other Secretions
Our various secretions - from tears to earwax - can tell us more about our bodies than you might think!
SciShow
6 Ways Animals Prevent Epidemics
Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick! Chapters pathogens 0:40 vectors 1:15 VECTOR AVOIDANCE: BLUEBIRDS 2:19 social immunity 3:35...
SciShow Kids
Why Do Dogs Pant?
When people run around on a hot summer day, their sweat can help them cool off! But dogs can't sweat, and they have big, furry coats! So what can they do to stay cool?!
SciShow
Counting Species out of Thin Air
Recent proof-of-concept studies showed that researchers were able to survey animals in an area simply by vacuuming up DNA in the air.
TED-Ed
TED-Ed: Coneheads, egg stacks and anteater attacks: The reign of a termite queen | Barbara Thorne
A single determined termite braves countless threats to participate in the only flight of her lifetime. She evades the onslaught of predators as she lands, flips off her wings, secretes pheromones, and attracts a mate. But she's not...
SciShow
Why Do Dogs Pant?
You’ve seen dogs pant, but do you know why they do it? And is it true that dogs can’t sweat? Quick Questions has the answers!
SciShow
Eyeball Licking: Please Don't
So you think eye licking (also known as worming) is just a harmless bit of foreplay? Think again.
SciShow
What Does Your Uvula Do?
Ever wonder what that dangling thing in the back of your throat is good for? Hank Green explains in this episode of SciShow Quick Questions.
SciShow
Why Do Bug Bites Itch?
Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.
SciShow Kids
Salt’s Secret Powers!
From pancakes to ice cream, salt goes in so many things to make them taste better! But what is it and where does it come from?
MinuteEarth
Why Does Wine Make Your Mouth Feel Dry?
Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into leather. ___________________________________________ If you want to...
SciShow
Why Do Batteries Taste Sour?
If you put your tongue on a 9-volt battery it might taste sour, kind of like lemonade, but why does that shock have a flavor?
Amoeba Sisters
Digestive System
Join the Amoeba Sisters for a brief tour through the human digestive system! This video will address major structures and functions including the esophagus, stomach, small intestine, and large intestine. This video also mentions chemical...
SciShow
The Super Strong Painkiller Hiding in Your Spit
Scientists are uncovering the mysteries of a non-addictive painkiller... that lives in your mouth
SciShow
Why Does Your Breath Stink in the Morning?
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don't talk to you until after you brush your teeth.
SciShow
The Science of Sugar Addiction & The Fifth Taste
SciShow News explores new research in the world of food, including insights into what causes food addiction, and how a certain flavor might be good for your health.
MinuteEarth
Vampire Life is Hard
Blood-suckers may seem like they have it easy, but feeding on blood comes with a lot of challenges.
SciShow
3 Surprising Ways Animals Use Saliva
To humans, drool can seem pretty disgusting, but other animals use saliva in surprising ways. Here are some of the weirdest ways other animals use their spit to survive!
SciShow
The Science of the Cinnamon Challenge
Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...
SciShow
Why Is My Tongue Stuck to This Flagpole?
First of all, DON'T DO IT! But if you WERE to stick your tongue to a cold flagpole, why would it stick?